OAKLAND -- Police are seeking a driver who rammed a patrol car during an attempted traffic stop Friday night then sped off.

The officer was not injured in the 9 p.m. incident, police said.

The officer tried to stop a car at 90th Avenue and International Boulevard when the driver suddenly rammed the patrol car before the officer could get out, police said. The driver sped away and was still being sought.

A description of the vehicle and additional details weren't immediately available.